capgo through 12.128.2 IDOR via PUT /app icon endpoint (CVE-2026-100626) | HOL Guard CVE

Medium · CVSS 5.3CVE-2026-100626

capgo through 12.128.2 IDOR via PUT /app icon endpoint

Answer in brief

CVE-2026-100626 records a Medium severity (CVSS 5.3) vulnerability in capgo through 12.128.2 IDOR via PUT /app icon endpoint. The current sources do not mark it as known exploited. The current feed maps Cap-go/capgo.app (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 26, 2026Updated Sep 26, 2026Source checked Sep 26, 2026First seen by HOL Sep 26, 2026Material review Sep 26, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 5.3
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 5.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Cap-go/capgo.app (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Cap-go/capgo.appgeneric	>=0 <=12.128.2	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Cap-go/capgo.app.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Sep 26, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 26, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 26, 2026

Sources and claim methodology

Upstream source description

capgo through 12.128.2 contains an insecure direct object reference vulnerability in the PUT /app/:appId endpoint that accepts attacker-controlled icon storage paths. Authenticated users can supply arbitrary paths in the private images bucket and obtain service-role-signed URLs valid for 7 days to read cross-tenant objects including user avatars, organization logos, and app icons without authorization.

Quoted source text, attributed separately from HOL analysis.